tx 0x8d30fc9b3a55a2cac0fd7a71f7b9120a3cba4d30031f3f30aa55ba64d7cd69a4Copy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 42004144,
    "new_price": 494000000
  }
}